12840470529640

Names of 12840470529640

• Cardinal: 12840470529640 can be written as Twelve trillion, eight hundred forty billion, four hundred seventy million, five hundred twenty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.284047052964 × 10¹³

Factors of 12840470529640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1124

Divisors of 12840470529640

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 41 52 65 82 104 130 164 169 205 260 328 338 410 520 533 676 820 845 1063 1066 1352 1640 1681 1690 2126 2132 2665 3362 3380 4252 4264 5315 5330 6724 6760 6929 8405 8504 10630 10660 13448 13819 13858 16810 21260 21320 21853 27638 27716 33620 34645 42520 43583 43706 55276 55432 67240 69095 69290 87166 87412 109265 110552 138190 138580 174332 174824 179647 217915 218530 276380 277160 284089 348664 359294 435830 437060 552760 566579 568178 718588 871660 874120 898235 1129969 1133158 1136356 1420445 1437176 1743320 1786903 1796470 2259938 2266316 2272712 2832895 2840890 3573806 3592940 4519876 4532632 5649845 5665790 5681780 7147612 7185880 7365527 8934515 9039752 11299690 11331580 11363560 14295224 14689597 14731054 17869030 22599380 22663160 23229739 29379194 29462108 35738060 36827635 45198760 46328729 46459478 58758388 58924216 71476120 73447985 73655270 92657458 92918956 116148695 117516776 146895970 147310540 185314916 185837912 190964761 231643645 232297390 293791940 294621080 301986607 370629832 381929522 463287290 464594780 587583880 602273477 603973214 763859044 926574580 929189560 954823805 1204546954 1207946428 1509933035 1527718088 1853149160 1899477889 1909647610 2409093908 2415892856 3011367385 3019866070 3798955778 3819295220 4818187816 6022734770 6039732140 7597911556 7638590440 7829555201 9497389445 12045469540 12079464280 15195823112 15659110402 18994778890 24090939080 24693212557 31318220804 37989557780 39147776005 49386425114 62636441608 75979115560 78295552010 98772850228 123466062785 156591104020 197545700456 246932125570 313182208040 321011763241 493864251140 642023526482 987728502280 1284047052964 1605058816205 2568094105928 3210117632410 6420235264820 12840470529640
• Sum of all divisors σ(n): 32096239577730
• Sum of proper divisors (its aliquot sum) s(n): 19255769048090
• 12840470529640 is an abundant number, because the sum of its proper divisors (19255769048090) is greater than itself. Its abundance is 6415298518450

Bases of 12840470529640

• Binary: 10111010110110100111101011110100011001101000₂
• Hexadecimal: 0xBADA7AF4668
• Base-36: 4JUTWMEEG

Squares and roots of 12840470529640

• 12840470529640 squared (12840470529640²) is 164877683422553342118529600
• 12840470529640 cubed (12840470529640³) is 2117107034982609760793867892570017344000
• The square root of 12840470529640 is 3583360.2288410803
• The cube root of 12840470529640 is 23416.7694156807

Scales and comparisons

• 12,840,470,529,640 seconds is equal to 408,287 years, 12 weeks, 5 days, 1 hour, 20 minutes, 40 seconds.
• To count from 1 to 12,840,470,529,640 would take you about one million, twenty thousand, seven hundred eighteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 12840470529640 cubic inches would be around 1951.4 feet tall.

Recreational maths with 12840470529640

• 12840470529640 backwards is 04692507404821
• 12840470529640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12840470529640's digits is 52
• More coming soon!